Mason Bee Predators -Why You Need to Clean Your Cocoons & Nesting Blocks EVERY Year!

If you are buying mason bees this year or making your own blocks, please make sure you clean your cocoons and nesting blocks every fall. We’ve seen an increase in Houdini flies over the years and they are very harmful to mason bee populations. Look for them in the spring and try to remove them … Continue reading Mason Bee Predators -Why You Need to Clean Your Cocoons & Nesting Blocks EVERY Year!